CN204490501U - Molecular sieve adsorption type oxygen purity stabilization control device - Google Patents
Molecular sieve adsorption type oxygen purity stabilization control device Download PDFInfo
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- CN204490501U CN204490501U CN201520088990.9U CN201520088990U CN204490501U CN 204490501 U CN204490501 U CN 204490501U CN 201520088990 U CN201520088990 U CN 201520088990U CN 204490501 U CN204490501 U CN 204490501U
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- oxygen
- molecular sieve
- control device
- stabilization control
- adsorption type
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- Separation Of Gases By Adsorption (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
Abstract
The utility model discloses a kind of molecular sieve adsorption type oxygen purity stabilization control device, aim to provide and a kind ofly can supply qualified finished product oxygen fast within working lipe, and greatly can improve the molecular sieve adsorption type oxygen purity stabilization control device of medical molecular sieve oxygen generation equipment in the reliability of medical industry.The utility model comprises the pipeline (3) being communicated with oxygen generating plant (1) and finished product oxygen storage tank (2), described pipeline (3) is provided with flow rate regulating valve (4), flow velocity snubber assembly (5), one-level oxygen concn detector (6), several flow directors be arranged in parallel (7) and secondary oxygen concn detector (8), and the utility model also comprises controller.The utility model is applied to the technical field of molecular sieve adsorption type oxygen purity stabilization control device.
Description
Technical field
The utility model relates to a kind of oxygen purity stabilization control device, particularly a kind of molecular sieve adsorption type oxygen purity stabilization control device.
Background technology
Along with the development of medical and health care system, medical molecular sieve oxygen generation equipment is able to widespread use in the use of medical institutions, and national standard is 90%-96% to the made oxygen purity specification of getting of this kind equipment.But link relation due to finished product gas storage tank pressure, flow and purity, in actual use, molecular sieve oxygen generation equipment cannot break through the pressure surge of finished product gas storage tank to instantaneous delivery and then the present situation that causes purity to fluctuate.
Current medical molecular sieve oxygen generation equipment finished product gas generally adopts dependence rear end finished product gas storage tank pressurize mode to control purity, also have and adopt the defective finished product gas mode of backflow to ensure finished product gas purity, such as, publication number is the Chinese patent of 203653240, it discloses a kind of oxygenerator of controlled oxygen concentration processed, comprise oxygenerator, oxygen concentration analyser, oxygen surge tank and oxygen storage tank, oxygenerator is connected with oxygen surge tank by the first valve, and oxygen surge tank connects oxygen concentration analyser; Oxygen surge tank is provided with tensimeter, and tensimeter is connected with automatic control system; Oxygen concentration analyser connects oxygenerator by the second valve, connects oxygen storage tank by the 3rd valve; First valve, the second valve, the 3rd valve are connected automatic control system respectively with oxygen concentration analyser.The problem that technique scheme solves emphatically how to ensure oxygen purity by defective oxygen backflow.Although can to a certain degree solve oxygen purity problem by defective oxygen backflow, facts have proved, this technical scheme still can produce defective oxygen.
Underproof oxygen adopts reflux type after producing, and qualified oxygen output will be caused to interrupt, cannot ensure qualified oxygen continue produce; Backend user is in and uses oxygen state continuously; if protection finished product oxygen purity and make qualified oxygen produce being in intermittent condition; rear end finished product gas storage tank pressure drop will be caused; and finished product gas storage tank pressure drop will cause the defective of finished product gas further; then adopt backflow, then cause qualified oxygen output to interrupt.Visible, adopt defective oxygen reflux type to cause the poor circulation continued.Therefore be badly in need of at present developing a kind of scheme solving the problem of molecular sieve adsorption oxygen purity instability.
Utility model content
Technical problem to be solved in the utility model overcomes the deficiencies in the prior art, provide a kind of reasonable in design, structure is simple, qualified finished product oxygen can be supplied fast within working lipe, and can greatly improve medical molecular sieve oxygen generation equipment medical industry the molecular sieve adsorption type oxygen purity stabilization control device of reliability.
The technical scheme that the utility model adopts is: described molecular sieve adsorption type oxygen purity stabilization control device comprises the pipeline being communicated with oxygen generating plant and finished product oxygen storage tank, the direction that described pipeline exports along oxygen is disposed with flow rate regulating valve, flow velocity snubber assembly, one-level oxygen concn detector, several flow directors be arranged in parallel and secondary oxygen concn detector, described molecular sieve adsorption type oxygen purity stabilization control device also comprises controller, described flow rate regulating valve, described one-level oxygen concn detector, described flow director and described secondary oxygen concn detector are all electrically connected with described controller.
The quantity of described flow director is 2, is respectively first flow controller and second amount controller.
Described secondary oxygen concn detector is also provided with the warning device be connected electrically.
Described warning device is combined aural and visual alarm.
The beneficial effects of the utility model are: because described molecular sieve adsorption type oxygen purity stabilization control device comprises the pipeline being communicated with oxygen generating plant and finished product oxygen storage tank, the direction that described pipeline exports along oxygen is disposed with flow rate regulating valve, flow velocity snubber assembly, one-level oxygen concn detector, several flow directors be arranged in parallel and secondary oxygen concn detector, described molecular sieve adsorption type oxygen purity stabilization control device also comprises controller, described flow rate regulating valve, described one-level oxygen concn detector, described flow director and described secondary oxygen concn detector are all electrically connected with described controller, so, the utility model is reasonable in design, structure is simple, effectively can change medical molecular sieve oxygen generation equipment not need to be waited for by the time, the modes such as the adjustment of pressure or defective oxygen backflow, can the direct quick finished product oxygen of output purity more than 90% continuously, automatically regulated the lifting of purity not affect the output of the qualified oxygen of finished product when there is defective oxygen by the control realization of front and back simultaneously, be formed in the finished product oxygen that in working lipe, supply is qualified fast, the medical molecular sieve oxygen generation equipment greatly improved medical industry reliability.
The utility model realizes the control of purity function of molecular sieve adsorption oxygen generating plant by independently purity stabilization control device, and directly provide the finished product gas meeting aimed purity, do not produce defective finished product gas, target finished product gas continues output.The utility model realizes different purity targets by independent adjustment.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, described molecular sieve adsorption type oxygen purity stabilization control device comprises the pipeline 3 being communicated with oxygen generating plant 1 and finished product oxygen storage tank 2, the direction that described pipeline 3 exports along oxygen is disposed with flow rate regulating valve 4, flow velocity snubber assembly 5, one-level oxygen concn detector 6, the flow director 7 that several are arranged in parallel and secondary oxygen concn detector 8, described molecular sieve adsorption type oxygen purity stabilization control device also comprises controller, described flow rate regulating valve 4, described one-level oxygen concn detector 6, described flow director 7 and described secondary oxygen concn detector 8 are all electrically connected with described controller.
In the present embodiment, the quantity of described flow director 7 is 2, is respectively first flow controller Y1 and second amount controller Y2.
In the present embodiment, described secondary oxygen concn detector 8 is also provided with the warning device 9 be connected electrically.
In the present embodiment, described warning device 9 is combined aural and visual alarm.
The control method of described molecular sieve adsorption type oxygen purity stabilization control device is as follows:
The oxygen that a, described oxygen generating plant 1 operationally produce by the oxygen exhaust of described oxygen generating plant 1 through flowing described flow rate regulating valve 4, described flow rate regulating valve 4 set(ting)value sets according to the product oxygen pressure size of medical molecular sieve oxygen generation equipment, and adjustment ratio is the 1/3*16% of real-time product oxygen pressure;
B, oxygen enter after described flow velocity snubber assembly 5 cushions constant voltage, and described one-level oxygen concn detector 6 detects, and qualified finished product oxygen enters described secondary oxygen concn detector 8 by described flow director 7 to carry out 2 times and detect;
C, oxygen through described secondary oxygen concn detector 8 detect qualified after enter described finished product oxygen storage tank 2.
In the present embodiment, in the control method of described molecular sieve adsorption type oxygen purity stabilization control device, the quantity of described flow director 7 is 2, be respectively first flow controller Y1 and second amount controller Y2, described first flow controller Y1 is different with the flow set value of described second amount controller Y2.
In the present embodiment, in the control method of described molecular sieve adsorption type oxygen purity stabilization control device, described flow director 7 is according to described oxygen generating plant 1 total oxygen-producing amount determination pre-set value hourly, the size of mating flow is carried out again according to pre-set value, described first flow controller Y1 set(ting)value is that described oxygen generating plant 1 total product oxygen total amount per hour deducts per minute L/min*6%, described second amount controller Y2 set(ting)value real-time oxygen-producing amount and mean value add between the changing value (90%-96%) * 20% ~ 25% of finished product oxygen concn.
In the present embodiment, described oxygen generating plant 1 is medical molecular sieve oxygen generation equipment, medical molecular sieve oxygen generation equipment when normal work finished product oxygen (oxygen concentration is more than 90%) by equipment oxygen exhaust through described flow rate regulating valve 4, enter after described flow velocity snubber assembly 5 carries out buffering constant voltage, detect through described one-level oxygen concn detector 6, detect the finished product oxygen lower than national standard 90% not up to standard, elementary automatic adjustment is carried out by flow rate regulating valve described in preset value signal 4, by being stablized the product constant voltage of oxygen and the adjustment oxygen concentration of flow velocity, export described secondary oxygen concn detector 8 to after stable and carry out secondary detection, qualified output, defectively carry out flow by described flow director 7 according to the regulation range of preset value again and automatically regulate, the product oxygen of medical molecular sieve oxygen generation equipment is made to change original performance characteristics because the flow velocity of rear end and flow change, ensure the concentration of the qualified finished product oxygen in rear end, equipment is made to run more reliable, if all cannot realize the lifting of concentration through the adjustment of two-stage, described warning device 9 directly sends sound and light alarm signal and notifies that managerial personnel carry out repair process, automatically normal monitoring state is recovered after equipment is normal.
In sum, by enforcement of the present utility model, can be molecular sieve adsorption type oxygen generating plant and carry out generic configuration and directly produce the finished product oxygen meeting purity requirement, and can reliable adjustment be carried out, do not reflux and do not waste finished product gas.
The utility model is applied to the technical field of molecular sieve adsorption type oxygen purity stabilization control device.
Although embodiment of the present utility model describes with practical solution, but the restriction do not formed the utility model implication, for those skilled in the art, according to this specification sheets to the amendment of its embodiment and and the combination of other schemes be all apparent.
Claims (4)
1. a molecular sieve adsorption type oxygen purity stabilization control device, comprise the pipeline (3) being communicated with oxygen generating plant (1) and finished product oxygen storage tank (2), it is characterized in that: the direction exported along oxygen on described pipeline (3) is disposed with flow rate regulating valve (4), flow velocity snubber assembly (5), one-level oxygen concn detector (6), several flow directors be arranged in parallel (7) and secondary oxygen concn detector (8), described molecular sieve adsorption type oxygen purity stabilization control device also comprises controller, described flow rate regulating valve (4), described one-level oxygen concn detector (6), described flow director (7) and described secondary oxygen concn detector (8) are all electrically connected with described controller.
2. molecular sieve adsorption type oxygen purity stabilization control device according to claim 1, is characterized in that: the quantity of described flow director (7) is 2, is respectively first flow controller (Y1) and second amount controller (Y2).
3. molecular sieve adsorption type oxygen purity stabilization control device according to claim 2, is characterized in that: described secondary oxygen concn detector (8) is also provided with the warning device (9) be connected electrically.
4. molecular sieve adsorption type oxygen purity stabilization control device according to claim 3, is characterized in that: described warning device (9) is combined aural and visual alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520088990.9U CN204490501U (en) | 2015-02-09 | 2015-02-09 | Molecular sieve adsorption type oxygen purity stabilization control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520088990.9U CN204490501U (en) | 2015-02-09 | 2015-02-09 | Molecular sieve adsorption type oxygen purity stabilization control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204490501U true CN204490501U (en) | 2015-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520088990.9U Withdrawn - After Issue CN204490501U (en) | 2015-02-09 | 2015-02-09 | Molecular sieve adsorption type oxygen purity stabilization control device |
Country Status (1)
| Country | Link |
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| CN (1) | CN204490501U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104724676A (en) * | 2015-02-09 | 2015-06-24 | 珠海智领医疗科技有限公司 | Molecular sieve adsorption generated oxygen purity stable control device and control method thereof |
-
2015
- 2015-02-09 CN CN201520088990.9U patent/CN204490501U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104724676A (en) * | 2015-02-09 | 2015-06-24 | 珠海智领医疗科技有限公司 | Molecular sieve adsorption generated oxygen purity stable control device and control method thereof |
| CN104724676B (en) * | 2015-02-09 | 2018-12-25 | 珠海智领医疗科技有限公司 | Molecular sieve adsorption type oxygen purity stabilization control device and its control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150722 Effective date of abandoning: 20181225 |